Our skill provides the defined devices as standard Smarthome devices in Alexa. Therefore the normal Alexa voice commands work also with the new devices.

The devices should appear in the Alexa App just after activating our skill. If this does not happen just start a search for new device with the Alexa voice command

Alexa, search devices

Then the devices should appear in the Alexa app and can be controlled there. In addition the voice commands should work like

Alexa set temperature of bathroom heater to 20 degrees